50 



: 



.: 



a 



41 



.: 



: : 



43 



4! 



:: 



.:. 



131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 

 .6935.46 n 



111 



13.27-H.6020.-18'17.6aiB.812a < 4721.3430>n32 



VANCOUVER 15LRND 



15.07 IB. 9216. 6019.46TB. 4521.8023. 7423. 1U34.4037 



18.4517.4015.3220(^522.3222.3423. 182S:f 331. 0134. 



16. 4017. 0516. 9917. 4817^625.9928. 9932. 8430. 3248.33: 



COLUtlBIR RIVER 



17.21 16.8617.88 17.8228.2428. 1624. 522B. 7729. 1*31. 30 

 Zl. 02 17. 71 17.3318. ^122. 72 22. 1024. 8730M827. 3835. 26 

 18. 5918. 82 19. 2819-8424. 3020. 8724. 2327. 1Z35. 1240. 75 

 18. 39 18. 65 IB. 5222. 7024. 4226. 1B30CM29/B737. K4B. 43 

 21.69^.3618.91*1.2925.9422.6131.8428.^24^.1548.53; 



1. 32;18. 1620'. 5224. 6621. 54 20. 3526. 83.33.2134. 2836.89; 



C^' J - CKPE MENDOCINO 



1B.34J2^.6923.31T9CSE£8. 3422. 70 23. 35&4. 82 37.5840. S2: 



18. 2624. 9319r9722. 0023, 



NDflR 



NATIONAL MARINE FISHERIES SERVICE 



PRCIFIC ENVIRONMENTAL GROUP 



MONTEREY. CALIFORNIA 



EFFECTIVE 

 BRCK RRDIRTION 



( WRTTS/M»»2 ) 



LONG TERM MEAN 

 FOR 



JULY 



"!/■- 



. 3928. 6928. 09301 1 433. 1 343. 83 



•■f-t-3i--A 



21 . 0/i 8. 62/J 1 . 2924. 402 1 . 8325. 9429 iB736. 5037. 4034. 06j?» 



50 

 49 

 48 

 47 

 46 

 J 5 

 44 

 43 

 42 

 41 

 40 



39 

 38 



■~ 



34 



I 



32 



31 



J 

 ! 



27 

 E 



130 129 



5 124 123 122 121 120 119 118 117 116 115 114 113 112 HI 



Chart 19.— Composite monthly mean effective back radiation for July. 



52 



